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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Breast Cancer Res Treat. 2011 May 26;132(2):429–437. doi: 10.1007/s10549-011-1591-2

Table 2.

Association of EZH2 expression with socio-demographic features

Characteristic OR (95% CI) χ2 p-value N (%) N (%)
EZH2 high EZH2 low
Age at Diagnosis 1.08 (0.70–1.66) 0.74
     ≤ 50 47 (23) 60 (22)
    > 50 157 (77) 216 (88)
Race3 1.31 (0.89–1.93) 0.18
     White 128 (64) 191 (70)
     Black 71 (37) 81 (30)
Menarche 1.16 (0.81–1.67) 0.42 103 (50) 129 (48)
     ≤ 12 101 (50) 147 (52)
     > 12
Age of First Birth 1.25 (0.85–1.84) 0.25 141 (69) 177 (64)
     ≤ 30 63 (31) 99 (36)
     > 30
Parity 1.06 (0.61–1.84) 0.84
     Childless 30 (27) 40 (26)
     More than 1 child 80 (73) 113 (74)
Family History1 1.19 (0.83–1.72) 0.35
     Any 90 (44) 110 (40)
     None 114 (56) 166 (60)
Family History1 1.63 (1.07–2.50) 0.02
     Any 1st Degree Relative 58 (28) 54 (20)
     None or No 1st Degree 146 (72) 222 (80)